11053443405 has 16 divisors (see below), whose sum is σ = 17688752640. Its totient is φ = 5894088768.

The previous prime is 11053443397. The next prime is 11053443413. The reversal of 11053443405 is 50434435011.

It is an interprime number because it is at equal distance from previous prime (11053443397) and next prime (11053443413).

It is not a de Polignac number, because 11053443405 - 2³ = 11053443397 is a prime.

It is a super-2 number, since 2×11053443405² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20676 + ... + 150114.

It is an arithmetic number, because the mean of its divisors is an integer number (1105547040).

Almost surely, 2^11053443405 is an apocalyptic number.

11053443405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11053443405 is a deficient number, since it is larger than the sum of its proper divisors (6635309235).

11053443405 is a wasteful number, since it uses less digits than its factorization.

11053443405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135140.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 11053443405 its reverse (50434435011), we get a palindrome (61487878416).

The spelling of 11053443405 in words is "eleven billion, fifty-three million, four hundred forty-three thousand, four hundred five".